Patents by Inventor Tetsurou Sata

Tetsurou Sata has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20110155822
    Abstract: Provided is a multi-layer piezoelectric element wherein durability is improved by effectively suppressing short-circuiting between adjacent internal electrode layers in an edge portion of a stacked body. A multi-layer piezoelectric element includes a prismatic stacked body wherein piezoelectric layers and internal electrode layers are alternately laminated, wherein the stacked body includes a chamfered portion formed by grinding a ridge portion of a side peripheral surface thereof, and a linear grinding trace on the chamfered portion extends in a direction along the internal electrode layers.
    Type: Application
    Filed: July 27, 2009
    Publication date: June 30, 2011
    Applicant: KYOCERA CORPORATION
    Inventor: Tetsurou Sata